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lgj2013新蟲 (正式寫手)
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[求助]
參比電極之間的相互轉(zhuǎn)換? 已有2人參與
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| Ag/AgCl/(CH3)4NCl (sat) in DMF + CH3CN (3:1, v/v) as the reference electrode. The reference electrode was calibrated at the end of each experiment against the ferrocenium/ferrocene couple (EoFc+/Fc=0.475V vs SCE in DMF), which allowed the conversion of all potentials to the SCE scale。大家看一下,將這個(gè)銀/銀離子電極轉(zhuǎn)換為SCE,是不是直接在cv掃描上下限都加上0.475v呢?急求,希望大家給意見呀? |
新蟲 (正式寫手)
送紅花一朵 |
你好,再麻煩一下,“Ag/AgCl/(CH3)4NCl (sat) in DMF + CH3CN (3:1, v/v) as the reference electrode. The reference electrode was calibrated at the end of each experiment against the ferrocenium/ferrocene couple (EoFc+/Fc=0.475V vs SCE in DMF), which allowed the conversion of all potentials to the SCE scale。”這句話是不是就是 說明了參比電極之間是怎么相互轉(zhuǎn)換的? |
銀蟲 (小有名氣)
| 不是,如果以SCE為參比電極,F(xiàn)c+/Fc氧還原電對峰在0.475V,在實(shí)際體系中,Ag/AgCl/(CH3)4NCl (sat) in DMF + CH3CN (3:1, v/v) 為參比電極,時(shí),測出的Fc+/Fc電位為E1,將這個(gè)銀/銀離子電極Etest轉(zhuǎn)換為ESCE,應(yīng)該ESCE=Etest-(E1-0.475) |

新蟲 (正式寫手)
銀蟲 (小有名氣)

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